What do we know about Genetics?

As we grow up, we are told about the difference of colours of skin and eyes of the people around us to be due to genetic rules. And we also know that the fact of all human beings having two arms and two legs is also the consequence of genetic regulations.

On the other hand, genetics doesn’t have a good reputation in our modern world. Starting with Frankenstein over fears of cloning human persons to genetically manipulated food. Lately, we discover that genetics can also be beneficial in questions of health.